美联社新闻一分钟 AP 2017-07-28（在线收听）

This is AP news minute. 

1. President Donald Trump tweeted Wednesday that he wants the transgender people barred from the U.S military. The pentagon seemed caught off on the tweets. The pronouncement also drew fire from democrats and transgender-rights groups. 

2. Meanwhile, Trump also tweeted about his attorney general Jeff Sessions. Trump publicly wondering why Sessions didn't fire the FBI's acting director. Trump's stance increased speculation that Sessions might step down even if the president stops short of firing him.. However, several people closed to the former Alabama senator have said Sessions didn't plan to quit. 

3. Minneapolis police chief says all officers have to turn on their body camera when responding to the calls. The policy announcement comes after the deadly shooting of an Australian woman. The body camera of the officers involved was turn off at the time. 

4. And for a few days in the year, a royal Wisconsin airport becomes the world's busiest. More than 17,000 take-offs and landings will happen during the experimental  aircraft association air adventure in Oshkosh. 

I'm Matt Friedman ,  the Associated Press with AP News Minute.